Antigenic variation in influenza viruses, with special reference to Hong Kong influenza.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000818:Animals; D000917:Antibody Formation; D000941:Antigens; D001717:Birds; D002648:Child; D002675:Child, Preschool; D003429:Cross Reactions; D006736:Horses; D006801:Humans; D007251:Influenza, Human / Q000276:immunology; D008875:Middle Aged; D009439:Neuraminidase; D009975:Orthomyxoviridae / Q000276:immunology*
D000941:Antigens; D009439:Neuraminidase